模組:CDD

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本模組是為了要實現考克斯特計號顯示用的{{CDD}}模板，即Template:CDD的顯示所建立的。原始版本之支援最多50個記號，現在則可以引用超過50個記號。

使用方法：

• {{#invoke:CDD|CDD}}

though the parameter is ignored; instead it uses the parameters passed to the template. See the template documentation for how that is used.

For using this from other Lua modules, first load the module.

local CDD = require('Module:CDD')._CDD

You can then use it with the following syntax.

CDD{"node", "3", "node"}

See the template documentation for possible inputs.

上述文档嵌入自Module:CDD/doc。 (编辑 | 历史)
编者可以在本模块的沙盒 (编辑 | 差异)和测试样例 (创建)页面进行实验。
本模块的子页面。

-- module to turn a parameter list into a list of [[Coxeter–Dynkin diagram]] images.
-- See the template documentation or any example for how it is used and works.
local p = {}
local origArgs

function p.CDD(frame)
	-- For calling from #invoke.
    if frame == mw.getCurrentFrame() then
        origArgs = frame:getParent().args
    else
        origArgs = frame
    end
	local pframe = frame:getParent()
	local args = pframe.args
	if (origArgs['FileType'] and origArgs['FileType']  ~= '') then
		filet=origArgs['FileType']
	else
		filet="png"
	end
	if (origArgs['CDDtype'] and origArgs['CDDtype'] ~= '') then
		cddt=origArgs['CDDtype']
	else
		cddt="CDel_"
	end
	return p._CDD_(args,filet,cddt)
end
	
function p._CDD(args,ft,ct)
	return p._CDD_(args,"png","CDel_")
end

function p._CDD_(args,ft,ct)
	-- For calling from other Lua modules.
	local body ='<span style="display:inline-block;">'         -- create and start the output string
	local filetype = ft
	local CDDtype = ct
	for v, x in ipairs(args) do                                -- process params, ignoring any names
		pgname="." .. filetype
		cpgname=CDDtype

		if (x ~= '') then					-- check for null/empty names
            d = tonumber(x)
            if (d ~= nil) then
                if (d > 20) then
                    for i = 1,string.len(x) do
                        tmpstr = string.sub(x,i,i)
                        if (tonumber(tmpstr) > 3) then
                            body = body .. "[[File:".. cpgname .. string.sub(x,i,i) .. pgname .. "|link=]]"
                        else
                            body = body .. "[[File:".. cpgname .. string.sub(x,i,i) .. "x" .. pgname .. "|link=]]"
                     	end
                 	end
             	else
                 	body = body .. "[[File:".. cpgname .. x  .. pgname .. "|link=]]"
                end
            else
             	body = body .. "[[File:".. cpgname .. x  .. pgname .. "|link=]]"
         	end
		end
	end
	body = body .. "</span>"                                   -- finish output string
	return body                                                -- return result
end

return p